摘要
勘探开发过程中,由于地层孔隙压力预测不准,时常造成井眼坍塌、破裂,这不但影响了工程的进行,而且带来了巨大的经济损失。因此,准确预测地层孔隙压力,对钻井设计中钻井液密度的选择和合理的井身结构设计起着重要作用,同时也是打好一口井的重要因素。文中概述了关于地层孔隙压力预测的一系列方法,并通过实例来说明如何准确预测,最后针对预测方法的局限性提出了一些建议。
The inaccurate predication of the pore pressure often damages the borehole during the exploration and the exploitation.It not only obstacles the process of engineering project,but also engenders big economic damages.So,the accurate prediction of pore pressure not only plays an important role in determining the mud density and the design of well bore structure in drilling,but also is a key factor for drilling successfully.This article emphatically elaborates about a series of methods to forecast pore pressure,including the forecast for formation pressure during the process of drilling,and it illustrates how to accurately forecast pore pressure.Finally,this article presents some suggestions pointing to the limitations of method of prediction.
出处
《断块油气田》
CAS
2007年第1期24-26,共3页
Fault-Block Oil & Gas Field
关键词
勘探开发
预测
地层孔隙压力
钻井液密度
Exploration and exploitation,Prediction,Pore pressure,Mud density.
作者简介
左星，男，1981年生，西南石油大学硕2004级2班在读油气井工程专业硕士研究生。电话：（028）83030504，E—mail：zuoxing921@163．com。
